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Revert "Revert "Use autolinking to pull in compatibility libraries.""

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This commit is contained in:
Joe Groff
2019-06-03 20:10:51 -07:00
committed by GitHub
parent 547e4e957c
commit 4ed8de10f9
15 changed files with 196 additions and 61 deletions
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24
lib/Frontend/CompilerInvocation.cpp
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@@ -1155,6 +1155,30 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
A->getAsString(Args), A->getValue());
}
}
// Autolink runtime compatibility libraries, if asked to.
if (!Args.hasArg(options::OPT_disable_autolinking_runtime_compatibility)) {
Optional<llvm::VersionTuple> runtimeCompatibilityVersion;
if (auto versionArg = Args.getLastArg(
options::OPT_runtime_compatibility_version)) {
auto version = StringRef(versionArg->getValue());
if (version.equals("none")) {
runtimeCompatibilityVersion = None;
} else if (version.equals("5.0")) {
runtimeCompatibilityVersion = llvm::VersionTuple(5, 0);
} else {
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_value,
versionArg->getAsString(Args), version);
}
} else {
runtimeCompatibilityVersion =
getSwiftRuntimeCompatibilityVersionForTarget(Triple);
}
Opts.AutolinkRuntimeCompatibilityLibraryVersion =
runtimeCompatibilityVersion;
}
return false;
}